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Java OrFilter类代码示例

本文整理汇总了Java中org.htmlparser.filters.OrFilter的典型用法代码示例。如果您正苦于以下问题:Java OrFilter类的具体用法?Java OrFilter怎么用?Java OrFilter使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。


OrFilter类属于org.htmlparser.filters包,在下文中一共展示了OrFilter类的9个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: readTextAndLinkAndTitle

import org.htmlparser.filters.OrFilter; //导入依赖的package包/类
/**
 * 分别读纯文本和链接.
 * @param result 网页的内容
 * @throws Exception
 */
public static void readTextAndLinkAndTitle(String result) throws Exception {
    Parser parser;
    NodeList nodelist;
    parser = Parser.createParser(result, "utf8");

    NodeFilter textFilter = new NodeClassFilter(TextNode.class);
    NodeFilter linkFilter = new NodeClassFilter(LinkTag.class);
    NodeFilter titleFilter = new NodeClassFilter(TitleTag.class);
    OrFilter lastFilter = new OrFilter();
    lastFilter.setPredicates(new NodeFilter[] { textFilter, linkFilter, titleFilter });
    nodelist = parser.parse(lastFilter);
    Node[] nodes = nodelist.toNodeArray();
    String line = "";
    
    for (int i = 0; i < nodes.length; i++) {
        Node node = nodes[i];
        if (node instanceof TextNode) {
            TextNode textnode = (TextNode) node;
            line = textnode.getText();
        } else if (node instanceof LinkTag) {
            LinkTag link = (LinkTag) node;
            line = link.getLink();
        } else if (node instanceof TitleTag) {
            TitleTag titlenode = (TitleTag) node;
            line = titlenode.getTitle();
        }
        
        if (isTrimEmpty(line))
            continue;
        System.out.println(line);
    }
}
 
开发者ID:YufangWoo,项目名称:news-crawler,代码行数:38,代码来源:HtmlParserTest.java

示例2: extracLinks

import org.htmlparser.filters.OrFilter; //导入依赖的package包/类
/**
 * 获取一个网站上的a链接
 * @param url
 * @return
 */
public static Set<String> extracLinks(String url) {
    Set<String> links = new HashSet<String>();

    try {
        Parser parser = new Parser(url);
        parser.setEncoding("utf-8");
        // 过滤 <frame >标签的 filter,用来提取 frame 标签里的 src 属性所表示的链接
        @SuppressWarnings("serial")
        NodeFilter frameFilter = new NodeFilter() {
            public boolean accept(Node node) {
                if (node.getText().startsWith("frame src=")) {
                    return true;
                } else {
                    return false;
                }
            }
        };
        // OrFilter 来设置过滤 <a> 标签,和 <frame> 标签
        OrFilter linkFilter = new OrFilter(new NodeClassFilter(LinkTag.class), frameFilter);
        // 得到所有经过过滤的标签
        NodeList list = parser.extractAllNodesThatMatch(linkFilter);
        for (int i = 0; i < list.size(); i++) {
            Node tag = list.elementAt(i);
            if (tag instanceof LinkTag) {
                // <a> 标签
                LinkTag link = (LinkTag) tag;
                String linkUrl = link.getLink();
                links.add(linkUrl);
            } else {
                // 提取 frame 里 src 属性的链接如 <frame src="test.html"/>
                String frame = tag.getText();
                int start = frame.indexOf("src=");
                frame = frame.substring(start);
                int end = frame.indexOf(" ");
                if (end == -1) {
                    end = frame.indexOf(">");
                }
                String frameUrl = frame.substring(5, end - 1);
                links.add(frameUrl);
            }
        }
    } catch (ParserException e) {
        logger.error("", e);
    }
    return links;
}
 
开发者ID:xuxueli,项目名称:xxl-incubator,代码行数:52,代码来源:HtmlParserUtil.java

示例3: parserNode

import org.htmlparser.filters.OrFilter; //导入依赖的package包/类
/**
 * 对结点进行词法分析
 * @param node 所要分析的结点
 */
private void parserNode(Node node) {
	depth ++;
	String regex = "[ \b\t\n\f\r]*";
	if(node instanceof TextNode) {	// 若为文本结点,则进行分词
		if(depth == 1) {
			System.out.println("TextNode!");
			Lexer lexer = new Lexer(node.getPage());
			Parser parser = new Parser(lexer, Parser.STDOUT);
			//TODO filter script & style
			OrFilter it = new OrFilter(new NotFilter(new TagNameFilter("script ")), new NotFilter(new TagNameFilter("style ")));

			try {
				NodeList nl = parser.extractAllNodesThatMatch(it);
				NodeIterator nit = nl.elements();
				while(nit.hasMoreNodes()) {
					Node n = nit.nextNode();
					if(n instanceof TextNode) {
						if(!(n.getText().matches(regex))) {	// 用正则表达式进行匹配,对非空的文本进行分词
							segment(n.getText());	// 对网页中的文本进行分词
						}
					}
				}
			}
			catch(ParserException exc) {
				System.out.println("ParserException");
				//exc.printStackTrace();
			}
		}
	}
	else if(node instanceof TagNode) {	// 若为链接结点,则扩展外链
		if(node instanceof LinkTag) {
			LinkTag tag = (LinkTag)node;
			if(!(tag.getLink().matches(regex))) {	
				urlInfo.addExtendedURL(tag.getLink());	// 将得到的外链加入到urlInfo中
			}
		}			
		dealTag(node);
	}
	depth --;
}
 
开发者ID:uraplutonium,项目名称:hadoop-distributed-crawler,代码行数:45,代码来源:URLAnalyzer.java

示例4: extracLinks

import org.htmlparser.filters.OrFilter; //导入依赖的package包/类
public static Set<String> extracLinks(String url, LinkFilter filter) {
	Set<String> links = new HashSet<String>();
	try{
		Parser parser = new Parser(url);
		parser.setEncoding("gb2312");
		// <frame >
		@SuppressWarnings("serial")
		NodeFilter frameFilter = new NodeFilter(){
			public boolean accept(Node node){
				if (node.getText().startsWith("frame src=")){
					return true;
				} 
				else{
					return false;
				}
			}
		};
		//<a><frame>
		OrFilter linkFilter = new OrFilter(new NodeClassFilter(
				LinkTag.class), frameFilter);
		NodeList list = parser.extractAllNodesThatMatch(linkFilter);
		for (int i = 0; i < list.size(); i++) {
			Node tag = list.elementAt(i);
			if (tag instanceof LinkTag){// <a>
				LinkTag link = (LinkTag) tag;
				String linkUrl = link.getLink();
				if (filter.accept(linkUrl))
					links.add(linkUrl);
			} 
			else{
				String frame = tag.getText();
				int start = frame.indexOf("src=");
				frame = frame.substring(start);
				int end = frame.indexOf(" ");
				if (end == -1)
					end = frame.indexOf(">");
				String frameUrl = frame.substring(5, end - 1);
				if (filter.accept(frameUrl))
					links.add(frameUrl);
			}
		}
		System.out.println(links);
	} catch (ParserException e){
		e.printStackTrace();
	}
	return links;
}
 
开发者ID:MelissaChen15,项目名称:Crawler2015,代码行数:48,代码来源:HtmlParserTool.java

示例5: extracLinks

import org.htmlparser.filters.OrFilter; //导入依赖的package包/类
public static void extracLinks(String url) {
	try {
		Parser parser = new Parser(url);
		parser.setEncoding("utf-8");// gb2312
		// 过滤 <frame> 标签的 filter,用来提取 frame 标签里的 src 属性所、表示的链接
		NodeFilter frameFilter = new NodeFilter() {
			public boolean accept(Node node) {
				if (node.getText().startsWith("frame src=")) {
					return true;
				} else {
					return false;
				}
			}
		};
		// OrFilter 来设置过滤 <a> 标签,<img> 标签和 <frame> 标签,三个标签是 or 的关系
		OrFilter orFilter = new OrFilter(
				new NodeClassFilter(LinkTag.class), new NodeClassFilter(
						ImageTag.class));
		OrFilter linkFilter = new OrFilter(orFilter, frameFilter);
		// 得到所有经过过滤的标签
		NodeList list = parser.extractAllNodesThatMatch(linkFilter);
		for (int i = 0; i < list.size(); i++) {
			Node tag = list.elementAt(i);
			if (tag instanceof LinkTag)// <a> 标签
			{
				LinkTag link = (LinkTag) tag;
				String linkUrl = link.getLink();// url
				String text = link.getLinkText();// 链接文字
				System.out.println(linkUrl + "**********" + text);
			} else if (tag instanceof ImageTag)// <img> 标签
			{
				ImageTag image = (ImageTag) list.elementAt(i);
				System.out.print(image.getImageURL() + "********");// 图片地址
				System.out.println(image.getText());// 图片文字
			} else// <frame> 标签
			{
				// 提取 frame 里 src 属性的链接如 <frame src="test.html"/>
				String frame = tag.getText();
				int start = frame.indexOf("src=");
				frame = frame.substring(start);
				int end = frame.indexOf(" ");
				if (end == -1)
					end = frame.indexOf(">");
				frame = frame.substring(5, end - 1);
				System.out.println(frame);
			}
		}
	} catch (ParserException e) {
		e.printStackTrace();
	}
}
 
开发者ID:YufangWoo,项目名称:news-crawler,代码行数:52,代码来源:HtmlParserTest.java

示例6: filter

import org.htmlparser.filters.OrFilter; //导入依赖的package包/类
private AX2JClassTranslator filter(String content) {
    try {
        Parser parser = Parser.createParser(content, Config.ENCODE);
        AndFilter andFilter1 =
                new AndFilter(new TagNameFilter("tr"), new HasAttributeFilter("class","alt-color api apilevel-"));
        AndFilter andFilter2 =
                //kill me, the " api apilevel-" has a space at the start
                new AndFilter(new TagNameFilter("tr"), new HasAttributeFilter("class"," api apilevel-"));
        OrFilter orFilter = new OrFilter(andFilter1, andFilter2);
        NodeList tableNodeList = parser.parse(orFilter);
        NodeIterator tableIt = tableNodeList.elements();

        AX2JClassTranslator map = new AX2JClassTranslator(type);
        while(tableIt.hasMoreNodes()) {
            Node trNode = tableIt.nextNode();
            NodeList trNodeList = trNode.getChildren();
            /**
             * ***** trNodeList example *****
             *    Txt (268[6,37],269[7,0]): \nTag (269[7,0],292[7,23]): td class="jd-linkcol"
             *      Tag (292[7,23],381[7,112]): a href="../../../reference/android/view/View.html...
             *        Txt (381[7,112],412[7,143]): android:accessibilityLiveRegion
             *        End (412[7,143],416[7,147]): /a
             *      End (416[7,147],421[7,152]): /td
             *    Txt (421[7,152],422[8,0]): \nTag (422[8,0],445[8,23]): td class="jd-linkcol"
             *      Txt (445[8,23],446[9,0]): \n
             *      Tag (446[9,0],530[9,84]): a href="../../../reference/android/view/View.html#s...
             *        Txt (530[9,84],561[9,115]): setAccessibilityLiveRegion(int)
             *        End (561[9,115],565[9,119]): /a
             *      Txt (565[9,119],566[10,0]): \n
             *      End (566[10,0],571[10,5]): /td
             *    Txt (571[10,5],572[11,0]): \nTag (572[11,0],609[11,37]): td class="jd-descrcol" width="100%"
             *      Txt (609[11,37],712[14,0]): \nIndicates to accessibility services whether the...
             *      End (712[14,0],717[14,5]): /td
             *    Txt (717[14,5],718[15,0]): \n
             * ***** trNodeList example *****
             */
            if (trNodeList.size() != 7) {
                throw new AndroidDocException(AndroidDocException.ATM_FORMAT_ERROR);
            }

            String attr = trNodeList.elementAt(1).toPlainTextString();
            attr = attr.replace("\n", "");
            String method = trNodeList.elementAt(3).toPlainTextString();
            map.add(attr, method);
        }
        return map;
    } catch (ParserException e) {
        throw new AndroidDocException(AndroidDocException.AXML_FORMAT_ERROR);
    }
}
 
开发者ID:sickworm,项目名称:AndroidXMLToJava,代码行数:51,代码来源:Filter2014.java

示例7: extracLinks

import org.htmlparser.filters.OrFilter; //导入依赖的package包/类
/**
 * 获取一个网页上的链接,并加入到队列中
 * @param content
 * @param filter 用来过滤链接
 * @return Set<String>
 * @author cxn 2015年11月5日
 */
public static Set<String> extracLinks(String content, LinkFilter filter) {
	Set<String> links = new HashSet<String>();
	try {
		Parser parser = new Parser(content);
		// parser.setEncoding("utf-8");
		// 过滤 <frame >标签的 filter,用来提取 frame 标签里的 src 属性所表示的链接
		NodeFilter frameFilter = new NodeFilter() {
			public boolean accept(Node node) {
				if (node.getText().startsWith("frame src=")) {
					return true;
				} else {
					return false;
				}
			}
		};
		// OrFilter 来设置过滤 <a> 标签,和 <frame> 标签
		OrFilter linkFilter = new OrFilter(new NodeClassFilter(
				LinkTag.class), frameFilter);
		// 得到所有经过过滤的标签
		NodeList list = parser.extractAllNodesThatMatch(linkFilter);
		for (int i = 0; i < list.size(); i++) {
			Node tag = list.elementAt(i);
			if (tag instanceof LinkTag){
				LinkTag link = (LinkTag) tag;
				String linkUrl = link.getLink();
				if(linkUrl.startsWith("http") && filter.accept(linkUrl, Main.keyWord)){
					links.add(linkUrl);
				}else if(linkUrl.startsWith("/") && filter.accept(Main.baseUrl+linkUrl, Main.keyWord)){
					links.add(Main.baseUrl+linkUrl);
				}
			}else{
				// 提取 frame 里 src 属性的链接如 <frame src="test.html"/>
				String frame = tag.getText();
				int start = frame.indexOf("src=");
				frame = frame.substring(start);
				int end = frame.indexOf(" ");
				if (end == -1){
					end = frame.indexOf(">");
				}
				String frameUrl = frame.substring(5, end - 1);
				if (filter.accept(frameUrl)){
					links.add(frameUrl);
				}
			}
		}
	} catch (ParserException e) {
		e.printStackTrace();
	}
	LinkQueue.addUnvisitedUrl(links);
	return links;
}
 
开发者ID:cxn945,项目名称:my_crawler,代码行数:59,代码来源:PageParser.java

示例8: content

import org.htmlparser.filters.OrFilter; //导入依赖的package包/类
@Action(value = "eventcontent", results = { @Result(type = "json", params = {
		"root", "en" }) })
public String content() {
	Cache c = CacheManager.getInstance().getCache("News");
	String ckey = "eventcontent" + newsid;
	Element ele = c.get(ckey);
	if (!CommonUtil.isEmpty(ele)) {
		en = (News) ele.getObjectValue();
	} else {
		StringBuffer retstr = fetch(RD+"/calendar/?a=one&evid="
				+ newsid+"&_="+System.currentTimeMillis());
		Parser p = Parser.createParser(retstr.toString(), "utf-8");
		try {
			NodeList nl = p.extractAllNodesThatMatch(new OrFilter(
					new TagNameFilter("h1"), new TagNameFilter("table")));
			SimpleNodeIterator i = nl.elements();
			en = new News();
			en.setId(newsid);
			while (i.hasMoreNodes()) {
				Node n = i.nextNode();
				if (n instanceof TagNode) {
					TagNode tn = (TagNode) n;
					if (tn.getTagName().equalsIgnoreCase("h1"))
						en.setTitle(tn.toPlainTextString());
					if (tn.getTagName().equalsIgnoreCase("table")) {
					en.setContent(tn.toHtml());							
						 
						}
						
					}

				}
			 String str=retstr.toString().trim();
			 int tk=retstr.indexOf("imageurl");
			 if(tk>0)
			 {
				 tk=retstr.indexOf("'",tk);
				 int tk1=retstr.indexOf("'", tk+1);
				 
			  String imgurl=RD+str.substring(tk+1,tk1);
				String imgid = EncodeHelper.digest(
						imgurl, "MD5");
				BasicDBObject obj = new BasicDBObject("id",
						imgid);
				DBCollection col = MongoUtil.getInstance().getDB()
						.getCollection("CrawlerImages");							
				DBObject dbo = col.findOne(obj);
				if (dbo == null)
					col.save(obj.append("url",imgurl));
				en.setPubdate(imgid);	
			 }
		} catch (ParserException e) {

			e.printStackTrace();
		}
		if (!CommonUtil.isEmpty(en) && !CommonUtil.isEmpty(en.getContent()))
			c.put(new Element(ckey, en));
	}
	return SUCCESS;
}
 
开发者ID:BaixiangLiu,项目名称:fudanweixin,代码行数:61,代码来源:CampusEventAction.java

示例9: extracLinks

import org.htmlparser.filters.OrFilter; //导入依赖的package包/类
public Set<String> extracLinks(PageResult pageResult, LinkFilter filter) {
	//String url=crawlUrl.getOriUrl();
	Set<String> links = new HashSet<String>();
	try {
		Parser parser = new Parser(pageResult.getContent());
		
		parser.setEncoding(pageResult.getCharSet());
		
		// 过滤 <frame >标签的 filter,用来提取 frame 标签里的 src 属性所表示的链接
		NodeFilter frameFilter = new NodeFilter() {
			public boolean accept(Node node) {
				if (node.getText().startsWith("frame src=")) {
					return true;
				} else {
					return false;
				}
			}
		};
		// OrFilter 来设置过滤 <a> 标签,和 <frame> 标签
		OrFilter linkFilter = new OrFilter(new NodeClassFilter(
				LinkTag.class), frameFilter);
		// 得到所有经过过滤的标签
		NodeList list = parser.extractAllNodesThatMatch(linkFilter);
		for (int i = 0; i < list.size(); i++) {
			Node tag = list.elementAt(i);
			if (tag instanceof LinkTag)// <a> 标签
			{
				LinkTag link = (LinkTag) tag;
				String linkUrl = link.getLink();// url
				if (filter.accept(linkUrl))
				{
					//CrawlUrl crawlUrl=CrawlUrlUtil.getCrawlUrlByUrl(linkUrl);
					links.add(linkUrl);
				}
					
			} else// <frame> 标签
			{
				// 提取 frame 里 src 属性的链接如 <frame src="test.html"/>
				String frame = tag.getText();
				int start = frame.indexOf("src=");
				frame = frame.substring(start);
				int end = frame.indexOf(" ");
				if (end == -1)
					end = frame.indexOf(">");
				String frameUrl = frame.substring(5, end - 1);
				if (filter.accept(frameUrl))
				{
					//CrawlUrl crawlUrl=CrawlUrlUtil.getCrawlUrlByUrl(frameUrl);
					links.add(frameUrl);
				}
					
			}
		}
	} catch (ParserException e) {
		e.printStackTrace();
	}
	return links;
}
 
开发者ID:hxt168,项目名称:webpasser,代码行数:59,代码来源:DefaultHtmlParser.java


注:本文中的org.htmlparser.filters.OrFilter类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。